06 Tow boss package? how do you know? - Ford Powerstroke Diesel Forum
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Old 11-26-2008, 06:54 AM
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06 Tow boss package? how do you know?

I have a shortbed dually 06 F350, i SWEAR it has 4.30 gears by how much higher the RPMs are compared to my 06 w 3.73s.

70mph on the 3.73s is almost 2k rpms
70mph on the dually 410s standard, 4.30s tow boss? 2400+

Without towing seems like its reving crazy. The rear diff cover has vanes on it "for cooling" i guess, is that standard

How can i tell by the axle code on the VIN # tag in the door?

What else does the tow boss package have besides the different gears?
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Old 11-26-2008, 07:18 AM
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You can use this list and cross reference the code on the tag.. it only goes to 02 but it should still be the same...

If nothing else you can always pop the cover off and count the teeth..

Automotive What is my Ford rear end ratio, do I have positraction
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Old 11-26-2008, 12:26 PM
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Quote:
Originally Posted by RamAirfreak98ss View Post

What else does the tow boss package have besides the different gears?
A gcvw of 26,000 lbs.the dif cover has the aluminum vane cover stock
from ford..My truck 06 6.0 cc drw fX4 4.30 tow boss
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Old 11-26-2008, 03:25 PM
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Yea, what he said:
The tag on the diffs... Mine has 410 as the first three numbers, 07 Dually KR CC 4x4...

And I am running about 2250 RPM at 70 miles/hour just over 110 km/hr...
Regards from Australia.
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Old 11-26-2008, 03:28 PM
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sounds like you have 4.30's cause my rpm's are the same you just pointed out at 70 mph.
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Old 11-26-2008, 05:03 PM
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Quote:
Originally Posted by jamstoyz View Post
sounds like you have 4.30's cause my rpm's are the same you just pointed out at 70 mph.
Yeah, its got an axle code on the door "4L" which appears to be a LSD type rear, thats not on the above list i guess because its an 2006 model.. anyone know what the 4L is then?

So the tow boss package is 4.30 gears , the aluminum vaned diff cover, how much was an option like this when new? Ive only briefly heard of it back when i got my first 06 but never saw a truck optioned with it.
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